ClassID:

138074

F01N2370/22 - CPC Classification

Classification description:

Selection of materials for exhaust purification used in non-catalytic purification apparatus

Sub-classes:
Recent Application in this class:
#1
20250369376
2025-12-04

HONEYCOMB FILTER

#2
20240060438
2024-02-22

SYSTEM AND METHOD FOR CARBON DIOXIDE CAPTURE/STORAGE FROM ENGINE EXHAUST

#3
20240011421
2024-01-11

System comprising vehicular compression ignition engine and an emissions control device comprising an electrically heatable element

#4
20230067575
2023-03-02

PARTICULATE FILTERS

#5
20210381413
2021-12-09

Particulate filter

#6
20180291786
2018-10-11

Method for purifying the exhaust gases of a vehicle, corresponding purification device

#7
20180087421
2018-03-29

Filter regeneration device, filter plugging detection device, exhaust gas treatment apparatus, and filter plugging determination method

#8
20150033691
2015-02-05

Honeycomb filter

#9
20150033690
2015-02-05

Honeycomb filter

#10
20130127478
2013-05-23

System and method for measuring retentate in filters

#11
20130125745
2013-05-23

Method and system for controlling filter operation

#12
20120186211
2012-07-26

Honeycomb filter for purifying exhaust gases, adhesive, coating material, and manufacturing method of honeycomb filter for purifying exhaust gases

#13
20100102828
2010-04-29

System and method for measuring retentate in filters

#14
20100101409
2010-04-29

Method and system for controlling filter operation

#15
20090274602
2009-11-05

Nonwoven composites and related products and methods

#16
20090146349
2009-06-11

METHOD FOR MANUFACTURING PLASMA TREATMENT DEVICE FOR EXHAUST GAS PURIFICATION

#17
20080241015
2008-10-02

Honeycomb filter for purifying exhaust gases, adhesive, coating material, and manufacturing method of honeycomb filter for purifying exhaust gases

#18
20080171650
2008-07-17

Nonwoven composites and related products and methods

#19
20080112865
2008-05-15

Nonwoven Composites and Related Products and Methods

#20
20080072551
2008-03-27

Highly porous mullite particulate filter substrate

#21
20080059093
2008-03-06

Microwave sensing for determination of loading of filters

#22
20060292337
2006-12-28

Honeycomb structure

#23
20060120937
2006-06-08

Multi-functional substantially fibrous mullite filtration substrates and devices

#24
20060021307
2006-02-02

Particulate trap filter element

#25
20050191218
2005-09-01

Ceramic diesel exhaust filters

#26
20050109023
2005-05-26

Honeycomb filter for exhaust gas decontamination, adhesive, coating material and process for producing honeycomb filter for exhaust gas decontamination

#27
20050076626
2005-04-14

Honeycomb filter for exhaust gas decontamination

#28
20050042151
2005-02-24

Nonwoven composites and related products and processes